On Wed, Nov 21, 2018 at 03:58:18PM -0500, Stefan Monnier wrote: > > When powering up an AXP209, the default value for LDO3 output is > > enabled. This works fine. However if for whatever reason, LDO3 is > > disabled, for example by OS during reboot and u-boot enables LDO3 > > again, the PMIC shuts down (without setting an interrupt) causing the > > board to hang. This behavior has been seen from Linux as well, u-boot > > disables LDO3 as a default value, the kernel enables it per its DTS, > > the kernel hangs as the PMIC gets shut down. > > Hmm... I've never had any problems booting my Orange Pi mini, but it > (almost) always hangs on reboot (right after the final message from the > OS and before the first message from U-boot). > Any chance this is the same problem?
Well, f you have the hardware, then there's only one way to find out: 1) Apply patchset 2) Add following into boards defconfig: CONFIG_AXP_ALDO3_INRUSH_QUIRK=y 3) If it still fails to reboot, add following CONFIG_AXP_ALDO3_VOLT_SLOPE_08=y > > > Stefan > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to linux-sunxi+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
